Genuine Eberspacher (Espar) 30mm to 30mm exhaust adapter with integrated water drain connection, designed for marine diesel heater exhaust systems. This exhaust adapter (exhaust connector / exhaust coupling) allows installation of a water drain coil in 30mm exhaust setups, helping prevent condensation buildup and ensuring reliable heater operation.
30mm to 30mm Exhaust Adapter with Water Drain Connection (1-1/4")
This genuine Eberspacher exhaust adapter is used in 30mm (approximately 1.25 inch / 1-1/4") marine exhaust systems where a water drain needs to be installed. It provides a direct 30mm to 30mm connection while allowing integration of a drain system to remove condensation from the exhaust line.
You can find the compatible water drain coil here: 30mm water drain coil.
This component is typically used as part of a complete diesel heater exhaust system, alongside a 30mm marine exhaust system and a through hull exhaust fitting.
When You Need This Adapter
If your heater has a 30mm exhaust outlet (approximately 1.25 inch / 1-1/4"):
- This 30mm to 30mm adapter (this product)
- 30mm water drain coil
- 30mm marine exhaust system
- 30mm through hull exhaust fitting
If your heater has a 24mm exhaust outlet (approximately 1 inch – common on heaters up to 19,000 BTU, including models such as Eberspacher / Espar D2, D2L, D4, D4L, D4R, D5):
- 24mm to 30mm exhaust adapter
- 24mm adapter water drain coil
- 30mm marine exhaust system
- 30mm through hull exhaust fitting
Using a water drain in your exhaust system helps prevent condensation buildup, improving performance and extending the lifespan of your diesel heater.
Key Features
- Genuine Eberspacher (Espar) exhaust adapter
- Heatso authorized Eberspacher NA dealer – genuine OEM part shipped from California
- 30mm to 30mm exhaust connection
- Integrated connection point for water drain coil
- Designed for 30mm (1.25" / 1-1/4") exhaust systems
- Helps manage condensation in diesel heater exhaust systems
- Suitable for marine heater installations
Common Applications
- Boat diesel heater exhaust systems
- Marine heater installations (boats, yachts, vessels)
- Installing water drain in 30mm exhaust systems
- Preventing condensation buildup in exhaust lines
- Upgrading or modifying marine exhaust setups
Compatibility
Suitable for Eberspacher (Espar), Webasto, and similar marine heaters using 30mm exhaust systems.
Part Number
- 25.1226.89.5900.0Z
- 251226895900 / 25.1226.89.5900 / 25.1226.89.59.00 / 25 1226 89 59 00
Technical Specifications of the Espar / Eberspacher exhaust adapter 30mm - 30mm
- Diameter:
- 30 mm (1.18 in)
- Parts type:
- Exhaust system accessories
Included in the kit:
Genuine Eberspacher (Espar) 30mm to 30mm exhaust adapter with integrated water drain connection, designed for marine diesel heater exhaust systems. This exhaust adapter (exhaust connector / exhaust coupling) allows installation of a water drain coil in 30mm exhaust setups, helping prevent condensation buildup and ensuring reliable heater operation.
30mm to 30mm Exhaust Adapter with Water Drain Connection (1-1/4")
This genuine Eberspacher exhaust adapter is used in 30mm (approximately 1.25 inch / 1-1/4") marine exhaust systems where a water drain needs to be installed. It provides a direct 30mm to 30mm connection while allowing integration of a drain system to remove condensation from the exhaust line.
You can find the compatible water drain coil here: 30mm water drain coil.
This component is typically used as part of a complete diesel heater exhaust system, alongside a 30mm marine exhaust system and a through hull exhaust fitting.
When You Need This Adapter
If your heater has a 30mm exhaust outlet (approximately 1.25 inch / 1-1/4"):
- This 30mm to 30mm adapter (this product)
- 30mm water drain coil
- 30mm marine exhaust system
- 30mm through hull exhaust fitting
If your heater has a 24mm exhaust outlet (approximately 1 inch – common on heaters up to 19,000 BTU, including models such as Eberspacher / Espar D2, D2L, D4, D4L, D4R, D5):
- 24mm to 30mm exhaust adapter
- 24mm adapter water drain coil
- 30mm marine exhaust system
- 30mm through hull exhaust fitting
Using a water drain in your exhaust system helps prevent condensation buildup, improving performance and extending the lifespan of your diesel heater.
Key Features
- Genuine Eberspacher (Espar) exhaust adapter
- Heatso authorized Eberspacher NA dealer – genuine OEM part shipped from California
- 30mm to 30mm exhaust connection
- Integrated connection point for water drain coil
- Designed for 30mm (1.25" / 1-1/4") exhaust systems
- Helps manage condensation in diesel heater exhaust systems
- Suitable for marine heater installations
Common Applications
- Boat diesel heater exhaust systems
- Marine heater installations (boats, yachts, vessels)
- Installing water drain in 30mm exhaust systems
- Preventing condensation buildup in exhaust lines
- Upgrading or modifying marine exhaust setups
Compatibility
Suitable for Eberspacher (Espar), Webasto, and similar marine heaters using 30mm exhaust systems.
Part Number
- 25.1226.89.5900.0Z
- 251226895900 / 25.1226.89.5900 / 25.1226.89.59.00 / 25 1226 89 59 00
Choosing Guide
Option Choosing Guide for this product is coming soon, please contact [email protected] if you need help picking the right options or have any questions.
Shipping
- United States - 1-5 Working Days
- United Kingdom - 2-5 Working Days
- European Union - 2-7 Working Days
- Australia / New Zealand - 5-14 Working Days
- Rest of World - 5-14 Working Days
There may be a delay if the order is shipped to a PO or parcel shop address. Please note, some couriers do not offer shipping to PO boxes.
View full shipping & Delivery information
Returns
You can return or exchange goods within 14 days from the date of purchase if the item is unused and brand new in unopened packaging. You must contact us before returning any goods, though. Additional deductions might be applied as indicated in the Returns section of our Terms and Conditions.
Warranty Information
Most heaters come with 2 year warranty + optional 1 year extended Warranty available
- Parts - 1 Year Warranty
- Refrigerators - 2 Year Warranty
- AC Systems - 1 Year Warranty
- Heavy duty heating equipment (10 kW+) - 1 Year Warranty
- Other items - 1 Year Warranty
Installation, servicing and maintenance must be done in accordance with manufacturers guidelines. Failure to follow these guidelines will result in voiding your warranty.
We provide free technical and installation support via email or phone to all of our customers who purchase a heater, heater kit or other products from Heatso. We take pride in our customer service and want to ensure that your heater system is properly installed. As a result, if you have any difficulties, please do not hesitate to contact us.
If you require removing and/or refitting your item, please visit a local professional or authorized specialist, if you can not find one you can contact us and we will try to recommend a local partner to assist with the task. The cost of removing and/or refitting this item is not covered by the warranty.